That italicized sentence at the bottom of your blog post isn’t a necessary evil, but an easily exploitable opportunity to continue the conversation on Twitter, Facebook, and beyond. Here's how to exploit marketing opportunities by way of your byline.

When it comes to managing multiple sites at once, most bloggers were limited in their choices—especially using Wordpress, which has been conspicuously obtuse when it comes to managing multiple blogs from a single platform. That's the gap that ManageWP fills.

Thanks to the Clients from Hell, the Rules for My Unborn Son, and the Sad Don Drapers, the blogging platform Tumblr is about to hit a major milestone: 10 billion blog posts. Yet as its user base swells, Tumblr itself has miraculously managed to stay relatively petite: Only 45 people are on staff, including a surprisingly tiny product team consisting of five people. And for such a design-savvy, image-driven platform, here's the most surprising fact of all: Tumblr's design department consists of only one designer, Tumblr design director Peter Vidani.

There are business books that teach you how to balance your ledger, hire the right people, and manage your cash flow. These aren't those books. These are the books that open your mind to new ways of doing business. Take a look at these 13 mind-blowing business books and add your own suggestions on what was left out.